When getting on or off the machine, always use the handles and the tracks Before checking the coolant level, stop the engine and let the fluid cool down. Komatsu Utility declines any responsibility for injuries or damage caused by unauthorized modifications. Before making a modification, consult your Komatsu Utility Dealer. When working with other operators or when the work site is often occupied by other operators, make sure that everyone knows and understands all the agreed signals and, in any case, that everyone works in such a way as to be able to see the machine and to be visible to the operator. The personnel in charge with the operation and maintenance of the machine must know the symbols contained in the pictograms perfectly In case of replacement of a component provided with a noise Follow all the safety rules, precautions and instructions when using the machine or performing maintenance op- erations. In case of replacement of a component provided with a safety plate, make sure that this plate is applied also on the new piece. RWA The exhaust gas emission plate is applied on the top of the en- gine cylinder head cover. The serial number and the identification numbers of the components are the only numbers that must be indicated to the Dealer when requiring assistance and ordering spare parts. Upper structure rotation achieved through an axial piston hydraulic motor acting on an epicyclic reduction gear for PC27R only Main equipment servolevers ensuring also combined movements that can be modulated proportionally and continually. Upper structure rotation achieved through an orbital hydraulic motor for PC20R only. : Information On Safety Komatsu Utility cannot reasonably predict every circumstance that might involve a potential hazard during the op- eration or maintenance of the machine for this reason, the safety messages included in this manual and applied onto the machine may not include all possible safety precautions. Operators and maintenance personnel must read this manual before operating or maintaining this machine. Unsafe use of this machine may cause serious injury.

Komatsu excavator serial number guide